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Battery Charger on a LS-7

 
Old 04-13-2019, 10:21 PM
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449er
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Default Battery Charger on a LS-7

Can you charge/maintain a battery through the cigarette lighter on a dry sump trunk mounted battery? Thanks
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Old 04-13-2019, 10:30 PM
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Patsgarage
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Originally Posted by 449er View Post
Can you charge/maintain a battery through the cigarette lighter on a dry sump trunk mounted battery? Thanks
You could probably maintain the charge that way, but not recharge a flat battery. I just pop the hatch and run the cord out the back.
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Old 04-14-2019, 04:04 PM
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Mike Green9
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Cigar lighter works great for a battery tender, but as stated above, NOT to CHARGE a battery. A tender will put out .7 to 3 amps which is safe for a car's electrical wiring.

Battery chargers should be connected directly to the battery, with the battery cables disconnected so as not to damage the BCM. (Disconnect the negative terminal first.)

Whenever I use a battery tender, I always use the lowest setting. That is easiest on the battery. It takes longer, so I plan ahead.

M...
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Old 04-14-2019, 04:09 PM
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windyC6
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Originally Posted by Mike Green9 View Post
Cigar lighter works great for a battery tender, but as stated above, NOT to CHARGE a battery. A tender will put out .7 to 3 amps which is safe for a car's electrical wiring.

Battery chargers should be connected directly to the battery, with the battery cables disconnected so as not to damage the BCM. (Disconnect the negative terminal first.)

Whenever I use a battery tender, I always use the lowest setting. That is easiest on the battery. It takes longer, so I plan ahead.

M...
Interesting. Every since we went to the BCM autos so many years ago I must have put a charger on at least 30 different vehicles without ever disconnecting the batt and never had an issue with blowing one out.
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Old 04-14-2019, 04:17 PM
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RobLo
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Originally Posted by windyC6 View Post
Interesting. Every since we went to the BCM autos so many years ago I must have put a charger on at least 30 different vehicles without ever disconnecting the batt and never had an issue with blowing one out.
Years of charging the Vette and Harleys using a BT and never disconnected the battery, just plug it in when I get home and unplug it when I go out...
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Old 04-14-2019, 05:05 PM
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Mike Green9
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Re disconnecting battery while using a battery charger in a modern day car - I stand corrected.
Guess I was just being overly cautious.
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